BIOLOGY HIGH SCHOOL

What word describes the moving of animals from one part of the world to another?

Answers

Answer 1
Answer: That's a "migration".
Answer 2
Answer: Migration.. For example. Urban to rural migration is when people move from poor countries to rich countries :)

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Which is the most likely function of a group of cells that contains a high number of mitochondria

Describe the pros and cons of the treatments used on sickle cell anemia patients

Answers

1) Bone Marrow Transplant
Pros - the only treatment with a higher potential for cure.
Cons - risky procedure, hard to find a donor, can be potentially lethal.
2) Antibiotics
Pros - Helpful in children from 2 months to 5 years old to prevent infection like pneumonia.
Cons - can promote antibiotic resistance, has side effects
3) Hydroxyurea
Pros - reduces frequency of painful attacks and reduces the need for blood tranfusion.
Cons - increase infection, may cause leukemia and other tumors
4) Blood Transfusion
Pros - increase normal red blood cells, decrease stroke risk
Cons- excess iron in the blood

if a cell at metaphase of mitosis contains 32 sister chromatids, how many chromosomes will be present in a g1 cell?

Answers

If a cell at metaphase of mitosis contains 32 sister chromatids, chromosomes will be present in a g1 cell - 16 chromosomes.

During interphasechromosomes are fully or partially decondensed, in the form of chromatin, which consists of DNA wound around histone proteins (nucleosomes).

  • In G1, each chromosome is a single chromatid.
  • At the G1 stage, the cell would have 16 chromosomes.
  • Each chromosome has a single chromatid for a total of 16 chromatids in g1 cells.
  • in metaphasesister chromatids are present and the number of chromosomes is 2n.

Thus, If a cell at metaphase of mitosis contains 32 sister chromatids, chromosomes will be present in a g1 cell - 16 chromosomes.

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Answer:

16

Explanation:

because we  are divid 32/2

Which of the following is not a characteristic of metals?-high luster
-conducts electric current
-forms crystalline solids
-brittle

Answers

The right option is; Brittle

Metals are substances or chemical elements that form a metallic bond with other metal atoms. Metals are usually lustrous, ductile, opaque, malleable, and good conductors of heat and electricity. Metals form crystalline solids at room temperature and they are not brittle. Examples of metals include copper, silver, iron, mercury and sodium.

Brittle is not a characteristic of the metals.

Further Explanation:

Metals are chemical substances that are inorganic in nature. The most abundant possess are sodium, magnesium, iron, aluminum, and calcium. The copper, platinum, silver, gold not readily react with other elements so they are present in free-state. The characteristics of metal are:

  • High conductivity
  • Malleable
  • Ductile
  • Hard

Metals are mainly crystalline in nature. The crystal structure of metals is very simple with a relatively high degree of symmetry. The metal reacts readily with other non-metal. The reactivity of metals are different from each other, lithium and potassium are highly reactive metal compound. The platinum, palladium, gold, and silver are very low reactive compounds. The metals are usually malleable and ductile in nature that means they can be transformed into wire and sheet. The brittle substances do not possess these characteristics and therefore, brittleness is not a characteristic of metals.

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Answer Details:

Grade: High School

Subject: Biology

Chapter: Metals and Non-metals

Keywords:

Substance, compound, metal, crystalline, gold, potassium, lithium, silver, malleable, brittle, ductile, hard, reactivity, electricity, conductivity.

NEED HELP IN BIOLOGY what happens during photosynthesis? 1) heterotrophs consume ATP
2) heterotrophs produce ATP 3) autotrophs consume organic molecules
4)autotrophs produce organic molecules

Answers

the answer is the heterotrophs will produce ATP

Which equation describes a parabola that opens up or down and whose vertex is at the point (h, v)? A. x = a(y - v)2 + h B. y = a(x - h)2 + v C. x = a(y - h)2 + v D. y = a(x - v)2 + h

Answers

The right answer for the question that is being asked and shown above is that: "B. y = a(x - h)2 + v" The equation that describes a parabola that opens up or down and whose vertex is at the point (h, v) is that B. y = a(x - h)2 + v

Answer: B. y=a(x-h)^2+v

What is it called when two forms of a trait are both dominant at the same time?

Answers

It is call codominance
Codominance- an example is type AB blood. Both A and B proteins are present on the surface of the blood.
Incomplete dominance- an example is an offspring of a red and white flower being pink in color.

Depending on the context of your question, it's one of these 2.
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